0
4/5 is the equivalent fraction of 0.8
Three-fifths is an equivalent fraction for nine-fifteenths. Another equivalent fraction for nine-fifteenths is eighteen-thirtieths or six-tenths.
EN 485-2 equivalent to ASTM 209 H-34
Equivalent ratios to 4/5 can be several such as 8/10 or 16/20.
21